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Daniele Alessandri
648be824d3
When various nodes in the configuration are unreachable while trying to send a command, we should attempt to contact a reachable node to fetch an updated slots map up to $retryLimit times or until there are no more servers in the pool before giving up. It is possible that the slots map fetched from Redis contains stale data and points to a dead server, this happens when the nodes still have to agree that a master server is down before promoting a slave to the role of master. In this case no further attempts to execute the command are performed and an exception is thrown. This still needs some more testing and will delay v1.0.4 a few days past its scheduled release.